Skip to content

[ALICE3] TF3: add passive edge around each pixel #15654

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
maciacco wants to merge 3 commits into
base: dev
Choose a base branch
from
Open

[ALICE3] TF3: add passive edge around each pixel #15654

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
c6a2064
add passive edge to each pixel
maciacco Jul 30, 2026
d332056
set default to 0
maciacco Jul 30, 2026
8cb156d
revert linkdef
maciacco Jul 31, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 10 additions & 0 deletions Detectors/Upgrades/ALICE3/IOTOF/base/include/IOTOFBase/IOTOFBaseParam.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ struct ChipSpecifics {
float PassiveEdgeReadOut = 0.;
float PassiveEdgeTop = 0.;
float PassiveEdgeSide = 0.;
float PixelPassiveEdgeX = 0.;
float PixelPassiveEdgeZ = 0.;
float SensorLayerThicknessEff = 0.;
float SensorLayerThickness = 0.;

Expand All @@ -45,6 +47,11 @@ struct ITOFChipSpecifics : ChipSpecifics {
NRows = 271;
PitchCol = 250.00e-4;
PitchRow = 100.00e-4;
PassiveEdgeReadOut = 0.;
PassiveEdgeTop = 0.;
PassiveEdgeSide = 0.;
PixelPassiveEdgeX = 0.;
PixelPassiveEdgeZ = 0.;
SensorLayerThicknessEff = 50.e-4;
SensorLayerThickness = 50.e-4;
}
Expand All @@ -59,6 +66,9 @@ struct OTOFChipSpecifics : ChipSpecifics {
PitchRow = 100.00e-4;
PassiveEdgeTop = 50.e-4;
PassiveEdgeSide = 115.8e-4;
PassiveEdgeReadOut = 50.e-4;
PixelPassiveEdgeX = 0.;
PixelPassiveEdgeZ = 0.;
SensorLayerThicknessEff = 50.e-4;
SensorLayerThickness = 50.e-4;
}
Expand Down
4 changes: 2 additions & 2 deletions Detectors/Upgrades/ALICE3/IOTOF/base/src/IOTOFBaseLinkDef.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,8 @@
#pragma link off all classes;
#pragma link off all functions;

#pragma link C++ class o2::iotof::GeometryTGeo +
#pragma link C++ class o2::iotof::GeometryTGeo + ;
#pragma link C++ class o2::iotof::IOTOFBaseParam + ;
#pragma link C++ class o2::conf::ConfigurableParamHelper < o2::iotof::IOTOFBaseParam> + ;

#endif
#endif
12 changes: 11 additions & 1 deletion Detectors/Upgrades/ALICE3/IOTOF/simulation/include/IOTOFSimulation/Segmentation.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ class Segmentation
~Segmentation() = default;

void configChip(const int nCols, const int nRows, const float pitchCol, const float pitchRow, const float passiveEdgeReadOut, const float passiveEdgeTop,
const float passiveEdgeSide, const float sensorLayerThicknessEff, const float sensorLayerThickness, const int subDetectorID);
const float passiveEdgeSide, const float PixelPassiveEdgeX, const float PixelPassiveEdgeZ, const float sensorLayerThicknessEff, const float sensorLayerThickness, const int subDetectorID);
void configChip(const ChipSpecifics& specsConfig, const int subDetectorID);

/// Transformation from Geant detector centered local coordinates (cm) to
Expand Down Expand Up @@ -181,6 +181,11 @@ inline void Segmentation::localToDetectorUnchecked(float xRow, float zCol, int&
zCol += 0.5 * specsConfig.ActiveMatrixSizeCols(); // coordinate wrt left edge of Active matrix
iRow = int(xRow / specsConfig.PitchRow);
iCol = int(zCol / specsConfig.PitchCol);
// check pixel passive region
if (std::abs(xRow - (iRow + 0.5) * specsConfig.PitchRow) > (0.5 * specsConfig.PitchRow - specsConfig.PixelPassiveEdgeX) || std::abs(zCol - (iCol + 0.5) * specsConfig.PitchCol) > (0.5 * specsConfig.PitchCol - specsConfig.PixelPassiveEdgeZ)) {
iRow = iCol = -1;
return;
}
if (xRow < 0) {
iRow -= 1;
}
Expand All @@ -206,6 +211,11 @@ inline bool Segmentation::localToDetector(float xRow, float zCol, int& iRow, int
}
iRow = int(xRow / specsConfig.PitchRow);
iCol = int(zCol / specsConfig.PitchCol);
// check pixel passive region
if (std::abs(xRow - (iRow + 0.5) * specsConfig.PitchRow) > (0.5 * specsConfig.PitchRow - specsConfig.PixelPassiveEdgeX) || std::abs(zCol - (iCol + 0.5) * specsConfig.PitchCol) > (0.5 * specsConfig.PitchCol - specsConfig.PixelPassiveEdgeZ)) {
iRow = iCol = -1;
return false;
}
return true;
}

Expand Down
10 changes: 5 additions & 5 deletions Detectors/Upgrades/ALICE3/IOTOF/simulation/src/Segmentation.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,21 +39,21 @@ Segmentation::Segmentation()
} else {
auto& itofPars = ITOFChipSpecificParam::Instance();
auto& otofPars = OTOFChipSpecificParam::Instance();
const ChipSpecifics mITofChipPars(itofPars.NCols, itofPars.NRows, itofPars.PitchCol, itofPars.PitchRow, itofPars.PassiveEdgeReadOut, itofPars.PassiveEdgeTop, itofPars.PassiveEdgeSide, itofPars.SensorLayerThicknessEff, itofPars.SensorLayerThickness);
const ChipSpecifics mOTofChipPars(otofPars.NCols, otofPars.NRows, otofPars.PitchCol, otofPars.PitchRow, otofPars.PassiveEdgeReadOut, otofPars.PassiveEdgeTop, otofPars.PassiveEdgeSide, otofPars.SensorLayerThicknessEff, otofPars.SensorLayerThickness);
const ChipSpecifics mITofChipPars(itofPars.NCols, itofPars.NRows, itofPars.PitchCol, itofPars.PitchRow, itofPars.PassiveEdgeReadOut, itofPars.PassiveEdgeTop, itofPars.PassiveEdgeSide, itofPars.PixelPassiveEdgeX, itofPars.PixelPassiveEdgeZ, itofPars.SensorLayerThicknessEff, itofPars.SensorLayerThickness);
const ChipSpecifics mOTofChipPars(otofPars.NCols, otofPars.NRows, otofPars.PitchCol, otofPars.PitchRow, otofPars.PassiveEdgeReadOut, otofPars.PassiveEdgeTop, otofPars.PassiveEdgeSide, otofPars.PixelPassiveEdgeX, otofPars.PixelPassiveEdgeZ, otofPars.SensorLayerThicknessEff, otofPars.SensorLayerThickness);

configChip(mITofChipPars, 0 /* subDetectorID for iTOF */);
configChip(mOTofChipPars, 1 /* subDetectorID for oTOF */);
}
}

void Segmentation::configChip(const int nCols, const int nRows, const float pitchCol, const float pitchRow, const float passiveEdgeReadOut,
const float passiveEdgeTop, const float passiveEdgeSide, const float sensorLayerThicknessEff, const float sensorLayerThickness, const int subDetectorID)
const float passiveEdgeTop, const float passiveEdgeSide, const float pixelPassiveEdgeX, const float pixelPassiveEdgeZ, const float sensorLayerThicknessEff, const float sensorLayerThickness, const int subDetectorID)
{
if (subDetectorID == 0) {
mITofSpecsConfig = ChipSpecifics(nCols, nRows, pitchCol, pitchRow, passiveEdgeReadOut, passiveEdgeTop, passiveEdgeSide, sensorLayerThicknessEff, sensorLayerThickness);
mITofSpecsConfig = ChipSpecifics(nCols, nRows, pitchCol, pitchRow, passiveEdgeReadOut, passiveEdgeTop, passiveEdgeSide, pixelPassiveEdgeX, pixelPassiveEdgeZ, sensorLayerThicknessEff, sensorLayerThickness);
} else if (subDetectorID == 1) {
mOTofSpecsConfig = ChipSpecifics(nCols, nRows, pitchCol, pitchRow, passiveEdgeReadOut, passiveEdgeTop, passiveEdgeSide, sensorLayerThicknessEff, sensorLayerThickness);
mOTofSpecsConfig = ChipSpecifics(nCols, nRows, pitchCol, pitchRow, passiveEdgeReadOut, passiveEdgeTop, passiveEdgeSide, pixelPassiveEdgeX, pixelPassiveEdgeZ, sensorLayerThicknessEff, sensorLayerThickness);
} else {
printf("Invalid subDetectorID %d. Must be 0 (iTOF) or 1 (oTOF). No configuration applied.\n", subDetectorID);
}
Expand Down
Loading